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[binutils-gdb] elf: Remove the property after reporting its removal

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f93ab3a0b8039a1667a666f013cca50b03d67f9b

commit f93ab3a0b8039a1667a666f013cca50b03d67f9b
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Jun 24 11:08:40 2019 -0700

    elf: Remove the property after reporting its removal
    
    commit d2ef37ebd9f771d06edf1fdea37970f60b242b2d
    Author: H.J. Lu <hjl.tools@gmail.com>
    Date:   Fri Dec 7 08:30:30 2018 -0800
    
        elf: Report property change when merging properties
    
    failed to remove the property after reporting it has been removed.  This
    patch corrects it.
    
    bfd/
    
    	PR ld/24721
    	* elf-properties.c (elf_merge_gnu_property_list): Remove the
    	property after reporting property removal.
    
    ld/
    
    	PR ld/24721
    	* testsuite/ld-x86-64/x86-64.exp: Run PR ld/24721 tests.
    	* testsuite/ld-x86-64/pr24721-x32.d: New file.
    	* testsuite/ld-x86-64/pr24721.d: Likewise.
    	* testsuite/ld-x86-64/pr24721.map: Likewise.
    	* testsuite/ld-x86-64/pr24721a.s: Likewise.
    	* testsuite/ld-x86-64/pr24721b.s: Likewise.

Diff:
---
 bfd/ChangeLog                        |  6 ++++++
 bfd/elf-properties.c                 | 10 ++++------
 ld/ChangeLog                         | 10 ++++++++++
 ld/testsuite/ld-x86-64/pr24721-x32.d |  6 ++++++
 ld/testsuite/ld-x86-64/pr24721.d     |  6 ++++++
 ld/testsuite/ld-x86-64/pr24721.map   |  3 +++
 ld/testsuite/ld-x86-64/pr24721a.s    | 34 ++++++++++++++++++++++++++++++++++
 ld/testsuite/ld-x86-64/pr24721b.s    |  6 ++++++
 ld/testsuite/ld-x86-64/x86-64.exp    |  2 ++
 9 files changed, 77 insertions(+), 6 deletions(-)

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 0914e7d..ec272a8 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2019-06-24  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/24721
+	* elf-properties.c (elf_merge_gnu_property_list): Remove the
+	property after reporting property removal.
+
 2019-06-23  Alan Modra  <amodra@gmail.com>
 
 	PR 24704
diff --git a/bfd/elf-properties.c b/bfd/elf-properties.c
index 94ef235..a297c9c 100644
--- a/bfd/elf-properties.c
+++ b/bfd/elf-properties.c
@@ -322,12 +322,10 @@ elf_merge_gnu_property_list (struct bfd_link_info *info, bfd *first_pbfd,
 			 (bfd_vma) p->property.pr_type, first_pbfd, abfd);
 		  }
 	      }
-	    else
-	      {
-		/* Remove this property.  */
-		*lastp = p->next;
-		continue;
-	      }
+
+	    /* Remove this property.  */
+	    *lastp = p->next;
+	    continue;
 	  }
 	else if (number_p)
 	  {
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 6dcfe30..2c11a66 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,13 @@
+2019-06-24  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/24721
+	* testsuite/ld-x86-64/x86-64.exp: Run PR ld/24721 tests.
+	* testsuite/ld-x86-64/pr24721-x32.d: New file.
+	* testsuite/ld-x86-64/pr24721.d: Likewise.
+	* testsuite/ld-x86-64/pr24721.map: Likewise.
+	* testsuite/ld-x86-64/pr24721a.s: Likewise.
+	* testsuite/ld-x86-64/pr24721b.s: Likewise.
+
 2019-06-23  Alan Modra  <amodra@gmail.com>
 
 	PR 24704
diff --git a/ld/testsuite/ld-x86-64/pr24721-x32.d b/ld/testsuite/ld-x86-64/pr24721-x32.d
new file mode 100644
index 0000000..9b067ef
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721-x32.d
@@ -0,0 +1,6 @@
+#source: pr24721a.s
+#source: pr24721b.s
+#as: --x32 -mx86-used-note=no
+#ld: -r -m elf32_x86_64 -Map tmpdir/pr24721.map
+#readelf: -n
+#map: pr24721.map
diff --git a/ld/testsuite/ld-x86-64/pr24721.d b/ld/testsuite/ld-x86-64/pr24721.d
new file mode 100644
index 0000000..efa88db
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721.d
@@ -0,0 +1,6 @@
+#source: pr24721a.s
+#source: pr24721b.s
+#as: --64 -defsym __64_bit__=1 -mx86-used-note=no
+#ld: -r -melf_x86_64 -Map tmpdir/pr24721.map
+#readelf: -n
+#map: pr24721.map
diff --git a/ld/testsuite/ld-x86-64/pr24721.map b/ld/testsuite/ld-x86-64/pr24721.map
new file mode 100644
index 0000000..9e63fff
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721.map
@@ -0,0 +1,3 @@
+#...
+Removed property 0xc0000002 to merge tmpdir/pr24721a.o \(0x1\) and tmpdir/pr24721b.o \(not found\)
+#pass
diff --git a/ld/testsuite/ld-x86-64/pr24721a.s b/ld/testsuite/ld-x86-64/pr24721a.s
new file mode 100644
index 0000000..b229d19
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721a.s
@@ -0,0 +1,34 @@
+	.text
+	.globl foo
+	.type foo,@function
+	.p2align 4
+foo:
+	ret
+
+	.section ".note.gnu.property", "a"
+.ifdef __64_bit__
+	.p2align 3
+.else
+	.p2align 2
+.endif
+	.long 1f - 0f		/* name length */
+	.long 5f - 2f		/* data length */
+	.long 5			/* note type */
+0:	.asciz "GNU"		/* vendor name */
+1:
+.ifdef __64_bit__
+	.p2align 3
+.else
+	.p2align 2
+.endif
+2:	.long 0xc0000002	/* pr_type.  */
+	.long 4f - 3f		/* pr_datasz.  */
+3:
+	.long 0x1
+4:
+.ifdef __64_bit__
+	.p2align 3
+.else
+	.p2align 2
+.endif
+5:
diff --git a/ld/testsuite/ld-x86-64/pr24721b.s b/ld/testsuite/ld-x86-64/pr24721b.s
new file mode 100644
index 0000000..3d11691
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr24721b.s
@@ -0,0 +1,6 @@
+	.text
+	.globl bar
+	.type bar,@function
+	.p2align 4
+bar:
+	ret
diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp
index 23f2020..d815e5d 100644
--- a/ld/testsuite/ld-x86-64/x86-64.exp
+++ b/ld/testsuite/ld-x86-64/x86-64.exp
@@ -456,6 +456,8 @@ run_dump_test "pr24458b"
 run_dump_test "pr24458b-x32"
 run_dump_test "pr24458c"
 run_dump_test "pr24458c-x32"
+run_dump_test "pr24721"
+run_dump_test "pr24721-x32"
 
 if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} {
     return
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